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algol [13]
3 years ago
13

What is matter? What is it made up of?

Chemistry
1 answer:
Julli [10]3 years ago
5 0
A definition of "matter" more fine-scale than the atoms and molecules definition is: matter is made up of what atoms and molecules are made of, meaning anything made of positively charged protons, neutral neutrons, and negatively charged electrons. There are three states of matter, they are: solid, liquid and gas. In extreme environments, other states may be present, such as plasma, Bose-Einstein condensates and neutron stars .
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17 Which compound has the strongest hydrogen bonding between its molecules?
Mamont248 [21]
(3) HF. The strength of hydrogen bonding between molecules depends on the difference in the electronegativities of each atom in the molecule. Since fluorine is the most electronegative element, HF has the strongest hydrogen bonding.
6 0
3 years ago
The total bonding energy for the products of a reaction is 2535 kJ/mol and the bonding energy of the reactants is 1375 kJ/mol. C
omeli [17]

Answer:

1160 kJ/mol

Explanation:

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5 0
3 years ago
What are three ways of the atmosphere is important to living things?
UNO [17]
  <span>1. Blocks Ultra violet rays that can be harmful.
2. Provides Oxygen, so we can live. 
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7 0
3 years ago
How many atoms are in the 1.5 moles of tin atoms?
Anastasy [175]

Answer:

option C = 9.0 x 10²³ atoms

Explanation:

Data Given:

no. of moles of tin (Sn) atoms = 1.5 moles

no. of tin (Sn) atoms = ?

Solution:

Formula used to find number of atoms

                  no. of moles = no. of atoms / Avogadro's number

Rearrange the above equation:

          no. of atoms =   no. of moles x Avogadro's number . . . . . . (1)

Where

Avogadro's number = 6.022 x 10²³

Put values in equation 1

           no. of atoms = 1.5 x 6.022 x 10²³

           no. of atoms = 9.033 x 10²³

Round the figure = 9.0 x 10²³ atoms

So option C is correct

6 0
3 years ago
Conditions to light Bend
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